header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px 0;
  z-index: 9999999999;
  transition: 0.6s;
}
header .top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 1300px;
  margin: 0 auto;
}
header .top .logo1 {
  display: none;
}
header .top .Navigation {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}
header .top .Navigation li .a:hover {
  color: #2876f1;
}
header .top .Navigation li .a {
  margin: 0 15px;
  text-decoration: none;
  font-weight: 500;
  letter-spacing: 2px;
  transition: 0.6s;
  color: #fff;
}
header .top .Navigation .nav:hover .ul {
  display: block;
}
@keyframes frames {
  from {
    height: 0px;
    overflow: hidden;
  }
  to {
    height: 480px;
    overflow: hidden;
  }
}
header .top .Navigation .nav {
  position: relative;
}
header .top .Navigation .nav .ul {
  animation-name: frames;
  animation-duration: 0.5s;
  position: absolute;
  display: none;
  text-align: left;
  width: 280px;
  left: -80px;
  font-size: 15px;
  padding: 0 0 20px 0;
}
header .top .Navigation .nav .ul .li:hover {
  background-color: #2876f1;
  color: #fff;
}
header .top .Navigation .nav .ul .li:hover .t1 {
  display: block;
}
@keyframes t-1 {
  from {
    height: 0px;
  }
  to {
    height: 400px;
  }
}
@keyframes t1-2 {
  from {
    height: 0px;
  }
  to {
    height: 34px;
  }
}
@keyframes t1-3 {
  from {
    height: 0px;
  }
  to {
    height: 34px;
  }
}
@keyframes t1-4 {
  from {
    height: 0px;
  }
  to {
    height: 68px;
  }
}
header .top .Navigation .nav .ul .jian .img {
  padding-top: 20px;
  display: block;
  margin: 0 auto;
  width: 27px;
  height: 20px;
}
header .top .Navigation .nav .ul .li {
  width: 100%;
  height: 60px;
  line-height: 60px;
  background-color: #fff;
}
header .top .Navigation .nav .ul .li .san {
  overflow: hidden;
  position: absolute;
  padding: 16px 0 16px 20px;
  display: none;
  width: 350px;
  height: auto;
  background: url(../img/ar1.jpg) no-repeat center center;
}
header .top .Navigation .nav .ul .li .san a:hover {
  color: #dda949;
}
header .top .Navigation .nav .ul .li .san a {
  height: 34px;
  line-height: 34px;
  display: block;
  color: #fff;
}
header .top .Navigation .nav .ul .li .t1-1 {
  animation-name: t-1;
  animation-duration: 1s;
  right: -370px;
  top: 80px;
}
header .top .Navigation .nav .ul .li .t1-2 {
  animation-name: t1-2;
  animation-duration: 1s;
  right: -370px;
  top: 250px;
}
header .top .Navigation .nav .ul .li .t1-3 {
  animation-name: t1-3;
  animation-duration: 1s;
  right: -370px;
  top: 320px;
}
header .top .Navigation .nav .ul .li .t1-4 {
  animation-name: t1-4;
  animation-duration: 1s;
  right: -370px;
  bottom: 0;
}
header .top .Navigation .nav .ul .li .li-1 {
  color: #333;
  height: 50px;
  box-sizing: border-box;
  padding-left: 50px;
  display: block;
}
header .top .Navigation .nav .ul .li .li1 {
  background: url(../image/ar_1.png) no-repeat;
  background-position: 10px ;
}
header .top .Navigation .nav .ul .li .li2 {
  background: url(../image/ar_2.png) no-repeat;
  background-position: 10px;
}
header .top .Navigation .nav .ul .li .li3 {
  background: url(../image/ar_3.png) no-repeat;
  background-position: 10px ;
}
header .top .Navigation .nav .ul .li .li4 {
  background: url(../image/ar_4.png) no-repeat;
  background-position: 10px;
}
header .top .Navigation .nav .ul .li .li5 {
  background: url(../image/ar_5.png) no-repeat;
  background-position: 10px ;
}
header .top .Navigation .nav .ul .li .li6 {
  background: url(../image/ar_6.png) no-repeat;
  background-position: 10px;
}
header .top .Navigation .nav .ul .li .li7 {
  background: url(../image/ar_7.png) no-repeat;
  background-position: 10px ;
}
header .top .Navigation .nav .ul .li .li8 {
  background: url(../image/ar_8.png) no-repeat;
  background-position: 10px ;
}
header.sticky {
  padding: 6px 100px;
  background-color: #fff;
  width: 100%;
  padding: 20px 0;
}
header.sticky .top .logo {
  display: none;
}
header.sticky .top img.logo1 {
  display: block;
}
header.sticky .Navigation li .a {
  color: #000;
}
